Demi Lovato at Billboard Women In Music 2015 on Lifetime at Cipriani Le Specialita in New York City, New York on Friday December 11, 2015.

Demi Lovato attends Z100’s iHeartRadio Jingle Ball 2015 arrivals at Madison Square Garden in NYC, New York on Friday December 11, 2015

Jess Glynne seen at X Factor results show in London, United Kingdom on Sunday November 15, 2015.

Charli XCX attends The Art Of Elysium’s Ninth Annual Heaven Gala in Los Angeles on Saturday, January 9th, 2016

Demi Lovato at the 2016 MusiCares Person of the Year Honoring Lionel Richie at Los Angeles Convention Center in Los Angeles, CA on February 13, 2016

Jess Glynne attends the MTV EMA’s 2015 at the Mediolanum Forum in Milann, Italy on Sunday October 25, 2015

Charli XCX attends the MTV EMA’s 2015 at the Mediolanum Forum in Milan, Italy on Sunday October 25, 2015.

Perrie Edwards wore beige eyeshadow with black eyeliner and matte brown lipstick

Demi Lovato arrives at the red carpet for ‘We Day Vancouver’ at Rogers Arena in Vancouver, Canada on Thursday, October 01, 2015.

Nina Nesbitt wore bronze eyeshadow with black eyeliner and mascare, and pale pink lipstick